Finding it hard to get the perfect angle for your shot? PhotoBot can take the picture for you. Tell it what you want the photo to look like, and your robot photographer will present you with references to mimic. Pick your favorite, and PhotoBot—a robot arm with a camera—will adjust its position to match the reference and your picture. Chances are, you’ll like it better than your own photography.“It was a really fun project,” says Oliver Limoyo, one of the creators of PhotoBot. He enjoyed working...